Margaret Keenan, 90, is the first patient in Britain to receive the Pfizer/BioNtech COVID-19 vaccine at University Hospital, administered by nurse May Parsons, at the start of the largest ever immunisation programme in the British history, in Coventry, Britain December 8, 2020. Britain is the first country in the world to start vaccinating people with the Pfizer/BioNTech vaccine. Jacob King/Pool via REUTERS/File Photo TPX IMAGES OF THE DAY SEARCH "GLOBAL POY" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2020 PACKAGES.